EP0323978B1 - Manschette zum befestigen künstlicher gelenke an knochen - Google Patents

Manschette zum befestigen künstlicher gelenke an knochen Download PDF

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Publication number
EP0323978B1
EP0323978B1 EP87906520A EP87906520A EP0323978B1 EP 0323978 B1 EP0323978 B1 EP 0323978B1 EP 87906520 A EP87906520 A EP 87906520A EP 87906520 A EP87906520 A EP 87906520A EP 0323978 B1 EP0323978 B1 EP 0323978B1
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EP
European Patent Office
Prior art keywords
sleeve
ellipse
bone
longitudinal axis
perimeter
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Expired - Lifetime
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EP87906520A
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English (en)
French (fr)
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EP0323978A4 (de
EP0323978A1 (de
Inventor
Douglas G. Noiles
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Joint Medical Products Corp
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Joint Medical Products Corp
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Priority to AT87906520T priority Critical patent/ATE79238T1/de
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Publication of EP0323978A4 publication Critical patent/EP0323978A4/de
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
    • A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1778—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the shoulder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3662—Femoral shafts
    • A61F2/367—Proximal or metaphyseal parts of shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30205—Three-dimensional shapes conical
    • A61F2002/30214—Three-dimensional shapes conical having tapered sections of different conicities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
    • A61F2002/30738—Sleeves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/30769—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth madreporic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30904—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3662—Femoral shafts
    • A61F2002/3678—Geometrical features
    • A61F2002/369—Stepped shaft, i.e. having discrete diameter changes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical

Claims (12)

1. Eine Hülse (13) zum Befestigen eines Bestandteils (10) eines künstlichen Gelenks an einem Knochen (54), wobei das Gelenk eine Gelenkbewegungsfläche (14) besitzt, wobei die Hülse (13) einen Körper mit einer Längsachse (36) aufweist, die sich zwischen einem ersten Ende auf der Seite der Gelenkbewegungsfläche (14) und einem von dar Gelenkbewegungsfläche (14) entfarnten zweiten Ende erstreckt, wenn die Hülse (13) in einen Knochen (54) implantiert ist, wobei der Körper eine äußere Oberfläche besitzt, die mehere Terrassen (28) aufweist, wobei jede Terrasse (28) in einer zur Längsachse (36) im wesentlichen senkrechten Ebene liegt, wobei die Umfangslinien der im Bereich des ersten Endes des Körpers befindlichen Terrassen (28) Längen besitzen, derart, daß für jedes Paar von benachbarten Terrassen (28) die Umfangslinie der Außenkante (30) der näher am ersten Ende befindlichen Terrasse (28) länger als die Umfangslinie der Außenkante (30) der näher am zweiten Ende befindlichen Terrasse (28) ist,
   dadurch gekennzeichnet, daß die Umfangslinie der Außenkante (30) einer jeden im Bereich des ersten Endes befindlichen Terrasse (26) einen Teil (34) eines auf der Längsachse (36) zentrierten Kreises und einen Teil (38) einer Ellipse umfaßt, deren Mittelpunkt zur Längsachse (36) versetzt ist und deren große Asche auf einer Linie (46) liegt, die die Längsachse (36) scheidet, wobei der Ellipstenteil (38) einen Scheitelpunkt (52) der Ellipse enthält und wobei wenigstens einige der Umfangslinien am ersten Ende eine längliche Form besitzen, in der der elliptische Teil (38) der Umfangslinie die Hälfte einer Ellipse bildet und die Umfangslinie zwei Linien (42, 44) enthält, die zur großen Achse der Ellipse parallel und zur Ellipse an den Enden (68, 70) ihrer kleinen Achse (40) tangential sind und sich gegenseitig in einem Abstand befinden, der kleiner als der Durchmesser des kreisförmigen Teils (34) der Umfangslinie ist.
2. Eine Hülse (13) gemäß Anspruch 1, bei der aufeinanderfolgende benachbarte Terrassen (28) Scheitelpunkte (52) besitzen, deren geometrischer Ort eine gerade Linie (60) ist.
3. Eine Hülse (13) gemäß Anspruch 1 oder 2, bei der die Umfangslinie der Außenkante (30) der Terrassen (28) im Bereich des zweiten Endes des Körpers aus einem auf der Längsachse (36) zentrierten Kreis besteht.
4. Eine Hülse (13) gemäß Anspruch 1, 2 oder 3, bei der die Außenfläche des Körpers zwischen einigen Paaren von benachbarten Terrassen (28) unterschnitten ist, so daß sich die Umfangslinie der Innenkante (32) der näher am ersten Ende befindlichen Terrasse (28) näher an der Längsachse (36) befindet als die Umfangslinie der Außenkante (30) der näher am zweiten Ende befindlichen Terrasse (28).
5. Eine Hülse (13) gemäß einem der vorangehenden Ansprüche, bei der das Gelenk ein künstliches Hüftgelenk ist, die Hülse (13) das Oberschenkelbestandteil (10) des Gelenks am Oberschenkelknochan (54) befestigt und die Umfangslinien der Außerkanten (30) der Terrassen (28) im allgemeinen der Innenfläche des harten Teils (56) des Oberschenkelknochens entsprechen.
6. Eine Hülse (13) gemäß einem der vorangehenden Ansprüche, bei der ein Teil der Außenfläche mit im wesentlichen einer einzigen Schicht von Metallkugeln (114) überzogen ist.
7. Eine Hülse (13, 113) zum Befestigen eines Bestandteils (10) eines künstlichen Gelenks an einem Knochen (54), wobei das Gelenk eine Gelenkbewagungsfläche (14) besitzt, wobei die Hülse (13, 113) einen Körper mit einer Längsachse (36) aufweist, die sich zwischen einem ersten Ende auf der Seite der Gelenkbewegungsfläche (14) und einem von der Gelenkbewegungsfläche (14) entfernten zweiten Ende erstreckt, wenn die Hülse (13, 113) im Knochen (54) implantiert ist, wobei der Körper einen langgestreckten Teil (6, 116), der auf der Längsachse (36) zentriert und zu dieser ausgerichtet ist und sich zwischen dem ersten und dem zweiten Ende erstreckt, und einen vorstehenden Teil (8) besitzt, der zur Längsachse (36) versetzt ist und sich vom ersten Ende zum zweiten Ende erstreckt, dadurch gekennzeichnet, daß
(a) die Querschnitte der vorstehenden Teile (8) in zur Längsachse (36) im wesentlichen senkrechten Ebenen jeweils einen Teil (38) einer Ellipse enthalten;
(b) die Außenfläche des vorstehenden Teils (8) im Bereich der elliptisch geformten Teile (38) terrassenförmig (28) ist; und
(c) wenigstens einige der Querschnitte der vorstehenden Teile (8) eine längliche Form besitzen, in der der elliptische Teil (38) die Hälfte einer Ellipse ist, die nur einen der Brennpunkta der Ellipse enthält, und die Umfangslinie des Querschnittes zwei Linien (42, 44) enthält, die zur großen Achse der Ellipse parallel und zur halben Ellipse an den Enden (68, 70) ihrer kleinen Achse (40) tangential sind, wobei die kleine Achse (40) der Ellipse kleiner als die maximale Abmessung des langgestreckten Teils (6, 116) auf Höhe des Querschnittes in einer zur kleinen Achse (40) der Ellipse parallelen Richtung ist.
8. Eine Hülse (113) gemäß Anspruch 7, bei der der langgestreckte Teil (116) zylinderisch geformt ist.
9. Eine Hülse (13) gemäß Anspruch 7, bei der der langgestreckte Teil (6) kegelförmig ist.
10. Eine Hülse (13) gemäß Anspruch 9, bei der die Außenfläche des kegalförmigen Teils (6) terrassenförmig (28) ist.
11. Eine Hülse (13, 113) gemäß Anspruch 7, bei der die Außenfläche des Körpers zwischen den Terrassen (28) unterschnitten ist.
12. Eine Hülse (13, 113) gemäß einem der Ansprüche 7 bis 11, bei der ein Teil der Außenfläche des Körpers mit im wesentlichen einer einzigen Schicht von Metallkugeln (114) überzogen ist.
EP87906520A 1986-09-15 1987-09-11 Manschette zum befestigen künstlicher gelenke an knochen Expired - Lifetime EP0323978B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87906520T ATE79238T1 (de) 1986-09-15 1987-09-11 Manschette zum befestigen kuenstlicher gelenke an knochen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/907,746 US4790852A (en) 1986-09-15 1986-09-15 Sleeves for affixing artificial joints to bone
US907746 1986-09-15

Publications (3)

Publication Number Publication Date
EP0323978A1 EP0323978A1 (de) 1989-07-19
EP0323978A4 EP0323978A4 (de) 1990-02-21
EP0323978B1 true EP0323978B1 (de) 1992-08-12

Family

ID=25424574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87906520A Expired - Lifetime EP0323978B1 (de) 1986-09-15 1987-09-11 Manschette zum befestigen künstlicher gelenke an knochen

Country Status (6)

Country Link
US (1) US4790852A (de)
EP (1) EP0323978B1 (de)
JP (1) JP2736891B2 (de)
CA (1) CA1290100C (de)
DE (1) DE3781163T2 (de)
WO (1) WO1988001854A1 (de)

Cited By (1)

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DE102004008138A1 (de) * 2004-02-19 2005-09-08 Mathys Ag Bettlach Femurkomponente einer Hüftgelenks-Endoprothese mit nichtrundem oder exzentrischem Anschlagbereich

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CA1290100C (en) 1991-10-08
JP2736891B2 (ja) 1998-04-02
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DE3781163T2 (de) 1993-04-15
EP0323978A4 (de) 1990-02-21
JPH01503757A (ja) 1989-12-21
EP0323978A1 (de) 1989-07-19
DE3781163D1 (de) 1992-09-17

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